Maths problem: 反比,謝謝你?
回答 (1)
2020-11-29 12:37 pm
T = k/v
v = 150km/h ==> T = 2h
∴ k = Tv = 300km
v = 120km/h
==> T = 300/120 = 2.5(h)
需時 2.5小時 = 2小時又30分鐘
v = 150km/h ==> T = 2h
∴ k = Tv = 300km
v = 120km/h
==> T = 300/120 = 2.5(h)
需時 2.5小時 = 2小時又30分鐘
收錄日期: 2021-04-24 08:06:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20201129034420AAKEjec